Split browser-specific and generic code in components/task_scheduler_util/.

components/task_scheduler_util/initialization/browser_util.h

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef COMPONENTS_TASK_SCHEDULER_UTIL_INITIALIZATION_BROWSER_UTIL_H_
-#define COMPONENTS_TASK_SCHEDULER_UTIL_INITIALIZATION_BROWSER_UTIL_H_
-
-#include <vector>
-
-#include "base/task_scheduler/scheduler_worker_pool_params.h"
-#include "base/time/time.h"
-#include "build/build_config.h"
-
-namespace base {
-class TaskTraits;
-}
-
-namespace task_scheduler_util {
-namespace initialization {
-
-enum WorkerPoolType : size_t {
-  BACKGROUND = 0,
-  BACKGROUND_FILE_IO,
-  FOREGROUND,
-  FOREGROUND_FILE_IO,
-  WORKER_POOL_COUNT  // Always last.
-};
-
-struct SingleWorkerPoolConfiguration {
-  base::SchedulerWorkerPoolParams::StandbyThreadPolicy standby_thread_policy;
-  int threads = 0;
-  base::TimeDelta detach_period;
-};
-
-struct BrowserWorkerPoolsConfiguration {
-  SingleWorkerPoolConfiguration background;
-  SingleWorkerPoolConfiguration background_file_io;
-  SingleWorkerPoolConfiguration foreground;
-  SingleWorkerPoolConfiguration foreground_file_io;
-};
-
-// Converts a BrowserWorkerPoolsConfiguration to a vector of
-// base::SchedulerWorkerPoolParams for consumption by task scheduler
-// initialization.
-std::vector<base::SchedulerWorkerPoolParams>
-BrowserWorkerPoolConfigurationToSchedulerWorkerPoolParams(
-    const BrowserWorkerPoolsConfiguration& config);
-
-// Maps |traits| to the index of a browser worker pool vector provided by
-// BrowserWorkerPoolConfigurationToSchedulerWorkerPoolParams() or
-// GetDefaultBrowserSchedulerWorkerPoolParams().
-size_t BrowserWorkerPoolIndexForTraits(const base::TaskTraits& traits);
-
-#if defined(OS_IOS)
-// Returns the default browser scheduler worker pool params.
-std::vector<base::SchedulerWorkerPoolParams>
-GetDefaultBrowserSchedulerWorkerPoolParams();
-#endif  // defined(OS_IOS)
-
-}  // namespace initialization
-}  // namespace task_scheduler_util
-
-#endif  // COMPONENTS_TASK_SCHEDULER_UTIL_INITIALIZATION_BROWSER_UTIL_H_